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The new address system based on road names took full effect starting January 1, 2014.

Under this new system, all official documents submitted to public institutions such as birth certificates, marriage registration forms and residency documents must use the newly implemented street address system based upon street names and building numbers. Mail sent using old addresses will still be delivered and no penalties will be charged for using the old system.

The Korean government has been making efforts to make the road name address system official since 2011. The new system provides more benefits in the long run by simplifying the address and making it more consistent.

Road Name Address Guide

Road name address system

The Korean government introduced the road name address system in July 29, 2011. Since then, the road name address system and the old address system were jointly used during a transition period. Beginning January 1, 2014, the road name address system officially replaced the old system. All legal papers (e.g., birth certificates, marriage registrations, land titles etc.) should reflect the new address system.

Will letters and packages using the old address still be delivered?

Mail sent using old addresses will still be delivered and no penalties will be charged for using the old system. However, using the new system is preferable in order to minimize cost and avoid confusion.

How to find your new address

Go to www.juso.go.kr and type your old address in the search bar to find your new address. There is also a smartphone app called “주소 찾아(juso)” that helps users find a location’s address. For further assistance, you can also visit the city hall or your local district office, or call the road name address call center at 1588-0061